Bonfils Blood Center Blood Drive
Staff Sgt. Kimberly Miles, 460th Space Wing chaplain assistant, holds her arm up to help stop bleeding after her blood donation Dec. 19, 2013, at the health and wellness center on Buckley Air Force Base, Colo. According to the American Red Cross, an estimated 38 percent of the U.S. population is eligible to donate but less than 10 percent do each year. (U.S. Air Force photo by Senior Airman Marcy Copeland/Released)

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Photo by: Senior Airman Marcy CopelandReleased |  VIRIN: 131219-F-LC301-030.JPG